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Old 03-23-2008, 03:26 PM   #1
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.45 gap

What is the main difference between GAP and ACP?
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Old 03-23-2008, 03:49 PM   #2
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The above drawing illustrates the dimension difference between the two. it basically boils down to a shorter 45ACP case that uses small pistol primers rather than large pistol primers.

Functionally the 45GAP is rated by SAAMI to operate at up to 23,000ps (the same at 45ACP +P). The 45ACP is rated to 21,000psi.

The 45 GAP performs as well or better than the 45ACP with lighter bullets weights (185-200gr) and about the same with heavier bullets (230gr).

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Old 03-23-2008, 03:54 PM   #3
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Here's about everything you want to know about the GAP round and then some: Review: New .45 GAP Cartridge for 9mm/40 S&W Pistol Frames Enjoy.
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Old 03-23-2008, 03:54 PM   #4
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to bad it wont catch on ammo prices are pretty high for the GAP
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Old 03-23-2008, 03:55 PM   #5
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that was a nice clear answer, i just dont see alot of .45 gap around when i shoot. it just dosnt seen worth it to buy a .45 gap when most stores around here dont even carry the ammo
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Old 03-23-2008, 04:05 PM   #6
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i bought my xd when all they had for the 45 was the GAP round, it was between the XD and the Glock, i didnt like the way the glock felt so i went with the XD. i had no clue about the round other than it was a shorter version of the 45 ACP.

ammo locally was around 20 bucks a box for remington hardballs. it has gone up since.

the .45GAP was ment to compete with the .40S&W not the .45ACP the best defense rounds are going to be the lighter ones i think the 180 and 200 grainers are the best (well they have the best ballistics compared to the heavier ones).

i carry 230 grain ranger T's in mine though!
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